Basically, I want to make this: https://www.amazon.com/Durston-Manufacturing-MPWT-Magnetic-Plug/dp/B000VHZHBO/ref=pd_bxgy_img_sccl_2/136-2434963-5582520?pd_rd_w=WvJDm&content-id=amzn1.sym.7757a8b5-874e-4a67-9d85-54ed32f01737&pf_rd_p=7757a8b5-874e-4a67-9d85-54ed32f01737&pf_rd_r=89EB67GC554RZ9B6JN40&pd_rd_wg=WYgLN&pd_rd_r=289acaaa-5fb8-4939-bd49-c973666d90d5&pd_rd_i=B000VHZHBO&psc=1